Initial version of RangeContainsLowering, which optimizes calls to

contains() on ClosedRanges.

compiler/testData/codegen/bytecodeText/ranges/inCharSequenceIndices.kt

@@ -1,5 +1,3 @@
-// IGNORE_BACKEND: JVM_IR
-// TODO KT-36829 Optimize 'in' expressions in JVM_IR
 fun testCharSequence(i: Int, cs: CharSequence) = i in cs.indices
 
 fun testLongWithCharSequence(i: Long, cs: CharSequence) = i in cs.indices
@@ -7,5 +5,4 @@ fun testLongWithCharSequence(i: Long, cs: CharSequence) = i in cs.indices
 // 0 getIndices
 // 0 contains
 // 2 length
-// 1 I2L
-
+// 1 I2L